Organization and Description of Business - Data Centers (Details) - property	Sep. 30, 2020	Dec. 31, 2019
Organization and Description of Business [Line Items]
Number of properties	284	225
Operating
Organization and Description of Business [Line Items]
Number of properties	241	172
Held-for-Sale Properties
Organization and Description of Business [Line Items]
Number of properties		12
Unconsolidated Joint Ventures
Organization and Description of Business [Line Items]
Number of properties	43	41
United States
Organization and Description of Business [Line Items]
Number of properties	139	147
United States | Operating
Organization and Description of Business [Line Items]
Number of properties	123	119
United States | Held-for-Sale Properties
Organization and Description of Business [Line Items]
Number of properties		11
United States | Unconsolidated Joint Ventures
Organization and Description of Business [Line Items]
Number of properties	16	17
Europe
Organization and Description of Business [Line Items]
Number of properties	102	41
Europe | Operating
Organization and Description of Business [Line Items]
Number of properties	102	41
Europe | Operating | InterXion
Organization and Description of Business [Line Items]
Number of properties	62
Europe | Held-for-Sale Properties
Organization and Description of Business [Line Items]
Number of properties		0
Europe | Unconsolidated Joint Ventures
Organization and Description of Business [Line Items]
Number of properties	0	0
Latin America
Organization and Description of Business [Line Items]
Number of properties	22	19
Latin America | Operating
Organization and Description of Business [Line Items]
Number of properties	0	0
Latin America | Held-for-Sale Properties
Organization and Description of Business [Line Items]
Number of properties		0
Latin America | Unconsolidated Joint Ventures
Organization and Description of Business [Line Items]
Number of properties	22	19
Asia
Organization and Description of Business [Line Items]
Number of properties	12	10
Asia | Operating
Organization and Description of Business [Line Items]
Number of properties	7	5
Asia | Held-for-Sale Properties
Organization and Description of Business [Line Items]
Number of properties		0
Asia | Unconsolidated Joint Ventures
Organization and Description of Business [Line Items]
Number of properties	5	5
Australia
Organization and Description of Business [Line Items]
Number of properties	5	5
Australia | Operating
Organization and Description of Business [Line Items]
Number of properties	5	5
Australia | Held-for-Sale Properties
Organization and Description of Business [Line Items]
Number of properties		0
Australia | Unconsolidated Joint Ventures
Organization and Description of Business [Line Items]
Number of properties	0	0
Africa
Organization and Description of Business [Line Items]
Number of properties	2
Africa | Operating
Organization and Description of Business [Line Items]
Number of properties	2
Canada
Organization and Description of Business [Line Items]
Number of properties	2	3
Canada | Operating
Organization and Description of Business [Line Items]
Number of properties	2	2
Canada | Held-for-Sale Properties
Organization and Description of Business [Line Items]
Number of properties		1
Canada | Unconsolidated Joint Ventures
Organization and Description of Business [Line Items]
Number of properties	0	0
Powered Base Building | Held-for-Sale Properties
Organization and Description of Business [Line Items]
Number of properties		10
Powered Base Building | Held-For-Sale Properties To Third Party
Organization and Description of Business [Line Items]
Number of properties		12